Compilare: main.cpp: In function 'int main()': main.cpp:32:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | if (ans>s[p[i]].size()-1 || ans>s[p[i+1]].size()-1 || s[p[i]][ans] != s[p[i + 1]][ans]) | ~~~^~~~~~~~~~~~~~~~~ main.cpp:32:48: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | if (ans>s[p[i]].size()-1 || ans>s[p[i+1]].size()-1 || s[p[i]][ans] != s[p[i + 1]][ans]) | ~~~^~~~~~~~~~~~~~~~~~~